Extensive studies by an interdisciplinary team at Tel Aviv University culminated in development of a nanoprobe that literally shines a light on cancer cells. When injected into a patient a few hours before surgery begins, the probe can alert the surgeon to the presence of cancer cells that might have been missed.

“Shedding a Light” on Cancer Cells

The probe is activated by the presence of an enzyme known as cysteine cathepsins, which occurs in higher numbers in tumor cells than in healthy cells. When the probe identifies cancerous cells, it triggers a fluorescent signal in those areas, while healthy tissue remains dark.

In tests conducted on mice with melanoma and breast cancer, the survival rate of mice that underwent probe-assisted surgery was double that of the mice who received regular surgery. Now that the team has registered patents for the technology, the next step is to start clinical trials with hopes of commercially marketing the probe.

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